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Merge branch 'js/rerere-forget-protect-against-NUL' into maint

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* js/rerere-forget-protect-against-NUL:
  rerere forget: do not segfault if not all stages are present
  rerere forget: grok files containing NUL
This commit is contained in:
Junio C Hamano 2013-04-22 11:26:56 -07:00
commit 63a4d8d723
2 changed files with 36 additions and 10 deletions
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21
rerere.c
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@ -284,8 +284,10 @@ static int rerere_mem_getline(struct strbuf *sb, struct rerere_io *io_)
strbuf_release(sb);
if (!io->input.len)
return -1;
ep = strchrnul(io->input.buf, '\n');
if (*ep == '\n')
ep = memchr(io->input.buf, '\n', io->input.len);
if (!ep)
ep = io->input.buf + io->input.len;
else if (*ep == '\n')
ep++;
len = ep - io->input.buf;
strbuf_add(sb, io->input.buf, len);
@ -295,7 +297,7 @@ static int rerere_mem_getline(struct strbuf *sb, struct rerere_io *io_)
static int handle_cache(const char *path, unsigned char *sha1, const char *output)
{
mmfile_t mmfile[3];
mmfile_t mmfile[3] = {{NULL}};
mmbuffer_t result = {NULL, 0};
struct cache_entry *ce;
int pos, len, i, hunk_no;
@ -314,17 +316,16 @@ static int handle_cache(const char *path, unsigned char *sha1, const char *outpu
for (i = 0; i < 3; i++) {
enum object_type type;
unsigned long size;
int j;
mmfile[i].size = 0;
mmfile[i].ptr = NULL;
if (active_nr <= pos)
break;
ce = active_cache[pos++];
if (ce_namelen(ce) != len || memcmp(ce->name, path, len)
|| ce_stage(ce) != i + 1)
break;
mmfile[i].ptr = read_sha1_file(ce->sha1, &type, &size);
mmfile[i].size = size;
if (ce_namelen(ce) != len || memcmp(ce->name, path, len))
continue;
j = ce_stage(ce) - 1;
mmfile[j].ptr = read_sha1_file(ce->sha1, &type, &size);
mmfile[j].size = size;
}
for (i = 0; i < 3; i++) {
if (!mmfile[i].ptr && !mmfile[i].size)

25
t/t2030-unresolve-info.sh
View file

@ -44,14 +44,21 @@ prime_resolve_undo () {
test_expect_success setup '
mkdir fi &&
printf "a\0a" >binary &&
git add binary &&
test_commit initial fi/le first &&
git branch side &&
git branch another &&
printf "a\0b" >binary &&
git add binary &&
test_commit second fi/le second &&
git checkout side &&
test_commit third fi/le third &&
git branch add-add &&
git checkout another &&
test_commit fourth fi/le fourth &&
git checkout add-add &&
test_commit fifth add-differently &&
git checkout master
'
@ -167,4 +174,22 @@ test_expect_success 'rerere and rerere forget (subdirectory)' '
test_cmp expect actual
'
test_expect_success 'rerere forget (binary)' '
git checkout -f side &&
printf "a\0c" >binary &&
git commit -a -m binary &&
test_must_fail git merge second &&
git rerere forget binary
'
test_expect_success 'rerere forget (add-add conflict)' '
git checkout -f master &&
echo master >add-differently &&
git add add-differently &&
git commit -m "add differently" &&
test_must_fail git merge fifth &&
git rerere forget add-differently 2>actual &&
test_i18ngrep "no remembered" actual
'
test_done